Magnitude 4.0 Earthquake Strikes East Bay, Felt Across San Francisco

A magnitude 4.0 earthquake struck near Dublin, California, at 7:46 p.m. on Monday, with the epicenter located 3 miles west-northwest of Dublin and at a depth of approximately 7 miles. The quake, initially reported as a magnitude 4.2, was felt across the Bay Area, including San Francisco, Half Moon Bay, and Concord. Despite the widespread sensation of a brief, noticeable jolt, there have been no reports of injuries or significant damage. The USGS's ShakeAlert system was triggered, sending alerts to nearby residents. BART train services were briefly disrupted for track inspections, which have since concluded with normal operations resuming. This incident follows a previous significant 3.7 magnitude earthquake in the region on January 12.